CVE-2021-32557

2021-05-2500:00:00

ubuntu.com

data security

arbitrary file writes

symlinks

unix

CVSS2

3.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:N/I:P/A:P

CVSS3

7.1

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

EPSS

Percentile

12.8%

JSON

It was discovered that the process_report() function in
data/whoopsie-upload-all allowed arbitrary file writes via symlinks.

Bugs

<https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1917904>

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchapport< 2.20.9-0ubuntu7.24UNKNOWN
ubuntu20.04noarchapport< 2.20.11-0ubuntu27.18UNKNOWN
ubuntu20.10noarchapport< 2.20.11-0ubuntu50.7UNKNOWN
ubuntu21.04noarchapport< 2.20.11-0ubuntu65.1UNKNOWN
ubuntu21.10noarchapport< 2.20.11-0ubuntu67UNKNOWN
ubuntu22.04noarchapport< 2.20.11-0ubuntu67UNKNOWN
ubuntu14.04noarchapport< 2.14.1-0ubuntu3.29+esm7UNKNOWN
ubuntu16.04noarchapport< 2.20.1-0ubuntu2.30+esm1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	apport	< 2.20.9-0ubuntu7.24	UNKNOWN
ubuntu	20.04	noarch	apport	< 2.20.11-0ubuntu27.18	UNKNOWN
ubuntu	20.10	noarch	apport	< 2.20.11-0ubuntu50.7	UNKNOWN
ubuntu	21.04	noarch	apport	< 2.20.11-0ubuntu65.1	UNKNOWN
ubuntu	21.10	noarch	apport	< 2.20.11-0ubuntu67	UNKNOWN
ubuntu	22.04	noarch	apport	< 2.20.11-0ubuntu67	UNKNOWN
ubuntu	14.04	noarch	apport	< 2.14.1-0ubuntu3.29+esm7	UNKNOWN
ubuntu	16.04	noarch	apport	< 2.20.1-0ubuntu2.30+esm1	UNKNOWN